Before she moved to Spark Capital, Rachel Horowitz served as the Director of Technology Communications at Facebook and Twitter. She worked on scaling the communications team and a developing company narrative. Racheal joined twitter early on and worked there during it initialpublicl offering (IPO). She said ofjoiningg Coinbase: "It has so, so much what drew me to twitter when i joined the company at a very critical moment. Thats cool for me personally, but that's very, very interesting from a communication perspective.''